There is no one better or more honest in the business than the Greentree team,”
writes inventor/author
Richard C. Levy
in his
Complete Idiot’s Guide
to Cashing In on Your Inventions


  • Utility Patent Searches
  • Design Patent Searches
  • Validity Searches
  • State of the Art Searches
  • Trademark Searches
  • Patent and Trademark Document Procurement
  • File Histories